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#pragma once
#include "../Common/Sizes.hpp"
#include "../Math/Vector.hpp"
#include "ChunkDimensions.hpp"
#include "Position.hpp"
namespace MC::World {
struct ChunkIndex {
ChunkIndex() : x(0), y(0) {}
ChunkIndex(I32 x, I32 y) : x(x), y(y) {}
Vector<3> middle() const {
using namespace ChunkDimensions;
return {(x + 0.5f) * Width, Height / 2.0f, (y + 0.5f) * Width};
}
Position::BlockWorld world(Position::BlockLocal local) const {
using namespace ChunkDimensions;
return {x * Width + local.x(), local.y(), y * Width + local.z()};
}
I32 x, y;
};
}
template<> struct std::equal_to<MC::World::ChunkIndex> {
Bool operator()(const MC::World::ChunkIndex& i1, const MC::World::ChunkIndex& i2) const noexcept {
return i1.x == i2.x && i1.y == i2.y;
}
};
template<> struct std::hash<MC::World::ChunkIndex> {
USize operator()(const MC::World::ChunkIndex& i) const noexcept {
return (I64)i.x << 32 | i.y;
}
};
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